Fedora 27: FEDORA-2017-7a22a80c7e critical: krb5 Double Free

Kerberos V5 is a trusted-third-party network authentication system,

which can improve your network's security by eliminating the insecure

practice of sending passwords over the network in unencrypted form.

- Prevent applications from accidentally implementing CVE-2017-11462 (double

free if sec_context is copied). - fc26+: Add ccselect hostrealm module for

ccache selection based on service hostname.

[ 1 ] Bug #1488873 - CVE-2017-11462 krb5: Automatic sec context deletion could lead to double-free

https://bugzilla.redhat.com/show_bug.cgi?id=1488873

su -c 'dnf upgrade krb5' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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